#define  _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
int my_strcmp(const char* arr1,const char* arr2)
{
	assert(arr1 && arr2);
	while (*arr1 == *arr2)
	{
		if (*arr1 == '\0')
			return 0;
		arr1++;
		arr2++;
	}
	return *arr1 - *arr2;
}
int main()
{
	char arr1[] = "abcdef";
	char arr2[] = "abcdeef";
	int ret = my_strcmp(arr1, arr2);
	if (ret > 0)
	{
		printf(">\n");
	}
	else if (ret < 0)
	{
		printf("<\n");
	}
	else
	{
		printf("=\n");
	}
	return 0;
}